Patent application number | Description | Published |
20090143835 | Method and apparatus for delivering pacing pulses using a coronary stent - An implantable cardiac protection pacing system delivers pacing pulses to protect the heart from injuries associated with ischemia and myocardial infarction. The system includes an implantable pulse generator (PG) that delivers the pacing pulses and a coronary stent electrically connected to the implantable PG to function as a pacing electrode through which the pacing pulses are delivered. In one embodiment, an intravascular lead provides the electrical connection between the coronary stent and the implantable PG to allow the implantable PG to be implanted in the femoral region. In another embodiment, the coronary stent and the implantable PG are integrated into an intravascular pulse generator-stent. | 06-04-2009 |
20090318943 | VASCULAR INTERVENTION CATHETERS WITH PACING ELECTRODES - Cardioprotective pacing is applied to prevent and/or reduce cardiac injury associated with myocardial infarction (MI) and revascularization procedure. Pacing pulses are generated from a pacemaker and delivered through pacing electrodes incorporated onto percutaneous transluminal vascular intervention (PTVI) devices during the revascularization procedure. Examples of the PTVI devices include a guide catheter, a guide wire, and an angioplasty catheter such as a balloon catheter used in the revascularization procedure. The pacing electrodes are incorporated onto such PTVI devices in various ways. | 12-24-2009 |
20090318990 | PACING CATHETER WITH EXPANDABLE DISTAL END - Cardioprotective pacing is applied to prevent and/or reduce cardiac injury associated with myocardial infarction (MI) and revascularization procedure. Pacing pulses are generated from a pacemaker and delivered through one or more pacing electrodes incorporated onto one or more percutaneous transluminal vascular intervention (PTVI) devices during the revascularization procedure. In one embodiment, a PTVI device includes an expandable distal end to provide a stable electrical contact between a pacing electrode and the vascular wall of a blood vessel when the distal end is placed in the blood vessel. | 12-24-2009 |
20090318993 | PACEMAKER INTEGRATED WITH VASCULAR INTERVENTION CATHETER - Cardioprotective pacing is applied to prevent and/or reduce cardiac injury associated with myocardial infarction (MI) and revascularization procedure. Pacing pulses are generated from a flexible pacemaker circuit integrated with a percutaneous transluminal vascular intervention (PTVI) device and delivered through pacing electrodes incorporated onto the PTVI device during the revascularization procedure. | 12-24-2009 |
20100130913 | INTEGRATED CATHETER AND PULSE GENERATOR SYSTEMS AND METHODS - Disclosed herein, among other things, is a system for providing pacing during revascularization. An embodiment of the system includes an angioplasty or stent delivery catheter system having a catheter, a balloon and an inflation device adapted to inflate and deflate the balloon for delivery of a stent. The embodiment also includes a programmable pulse generator and at least one electrode integrated with the angioplasty catheter system, where the pulse generator is connected to the electrode. In various embodiments, at least one integrated sensor is connected to the angioplasty catheter system. The sensor is adapted to sense a parameter indicative of flow restoration and trigger the pulse generator to begin pacing based on the parameter. | 05-27-2010 |
20100145401 | MYOCARDIUM CONDITIONING USING MYOCARDIAL AND PARASYMPATHETIC STIMULATION - Various system embodiments comprise a neural stimulator, a pulse generator, and a controller. The neural stimulator is adapted to generate a neural stimulation signal. The pulse generator is adapted to generate a pacing signal to provide myocardium pacing. The controller is adapted to control the neural stimulator and the pulse generator to provide a cardioprotective conditioning therapy. The conditioning therapy includes neural stimulation to elicit a parasympathetic response and myocardium pacing. Other aspects and embodiments are provided herein. | 06-10-2010 |
20100274306 | METHOD AND APPARATUS FOR DEVICE CONTROLLED GENE EXPRESSION FOR CARDIAC PROTECTION - A gene regulatory system detects ischemia events and is capable of delivering a biologic therapy in response to the detection of an ischemic event or the reception of a command. The biologic therapy protects the heart from ischemic damage by regulating the expression of an exogenously introduced gene product. In one embodiment, the gene regulatory system includes an implantable system that emits at least one gene regulatory signal in response to the detection of the ischemic event or the reception of the command. The gene regulatory signal directly or indirectly regulates gene expression of the gene product. | 10-28-2010 |
20100286742 | LINEAR ELECTRODE ARRAY TO TREAT MITRAL REGURGITATION - A method and apparatus are disclosed for treating mitral regurgitation with electrical stimulation. By providing pacing stimulation to a region of the left ventricle in proximity to the mitral valve apparatus in a manner which pre-excites the region during early ventricular systole, a beneficial effect is obtained which can prevent or reduce the extent of mitral regurgitation. | 11-11-2010 |
20110077701 | METHOD AND APPARATUS FOR TISSUE PROTECTION AGAINST ISCHEMIA USING REMOTE CONDITIONING - A stimulation system delivers stimulation to protect an ischemic region of a body from tissue damage caused by ischemia. The stimulation is delivered to one or more stimulation sites remote from the ischemic region to elicit a physiological effect that protects the ischemic region from the tissue damage caused by ischemia. In one embodiment, the stimulation system delivers cardioprotective stimulation to one or more stimulation sites remote from the heart to protect the heart from injuries associated with cardiac ischemic events. In another embodiment, the stimulation system delivers remote conditioning stimulation to one or more stimulation sites in or on the heart to protect a non-cardiac region from injuries associated with non-cardiac ischemic events. | 03-31-2011 |
20110137363 | METHOD AND APPARATUS FOR INITIATING AND DELIVERING CARDIAC PROTECTION PACING - A pacing system delivers cardiac protection pacing to protect the heart from injuries associated with ischemic events. The pacing system detects an ischemic event and, in response, initiates one or more cardiac protection pacing sequences each including alternative pacing and non-pacing periods. In one embodiment, the pacing system initiates a cardiac protection pacing sequence in response to the detection of the onset of an ischemic event, such that a pacing concurrent conditioning therapy is applied during the detected ischemic event. | 06-09-2011 |
20110137385 | METHOD AND APPARATUS FOR RELIEVING ANGINA SYMPTOMS USING LIGHT - An implantable medical device includes a light emitting circuit incorporated into an intravascular stent. The light emitting circuit emits a light to an ischemic region. The light has characteristics suitable for reliving the angina symptoms associated with ischemia. | 06-09-2011 |
20110144709 | METHOD AND APPARATUS FOR CARDIAC PROTECTION PACING - A pacing system delivers cardiac protection pacing to protect the heart from injuries associated with ischemic events. The pacing system detects an ischemic event and, in response, initiates one or more cardiac protection pacing sequences each including alternative pacing and non-pacing periods. In one embodiment, the pacing system initiates cardiac protection pacing sequences including at least one postconditioning sequence to protect the heart from a detected ischemic event and a plurality prophylactic preconditioning sequences to protect the heart from probable future ischemic events. | 06-16-2011 |
20110213436 | METHOD AND DEVICE FOR TREATING MYOCARDIAL ISCHEMIA - A method and device for treating myocardial ischemia are described in which the stress experienced by a myocardial region identified as vulnerable to becoming ischemic is varied with pre-excitation pacing. In an unloading mode, pacing is applied in proximity to the vulnerable region to reduce stress and the metabolic demand of the region. In a loading mode, pacing is applied to a region remote from the vulnerable region in order to produce a conditioning effect. | 09-01-2011 |
20110230928 | METHOD AND APPARATUS FOR PACING DURING REVASCULARIZATION - Cardiac protection pacing is applied to prevent or reduce cardiac injury and/or occurrences of arrhythmia associated with an ischemic event including the occlusion of a blood vessel during a revascularization procedure. Pacing pulses are generated from a pacemaker and delivered through one or more pacing electrodes incorporated onto a percutaneous transluminal vascular intervention (PTVI) device used in the revascularization procedure. The pacemaker generates the pacing pulses according to a predetermined cardiac protection pacing sequence before, during, and/or after the ischemic event. | 09-22-2011 |
20130110189 | METHOD AND APPARATUS FOR CARDIAC PROTECTION PACING | 05-02-2013 |
20130268014 | METHOD AND APPARATUS FOR PACING DURING REVASCULARIZATION - A system for use during revascularization includes a catheter having an adjustable balloon for delivery a stent, one or more pacing electrodes for delivering one or more pacing pulses to a patient's heart, and a pacemaker configured to generate the one or more pacing pulses to be delivered to the heart via the one or more pacing electrodes. The one or more pacing pulses are delivered at a rate substantially higher than the patient's intrinsic heart rate without being synchronized to the patient's intrinsic cardiac contractions, and are delivered before, during, or after an ischemic event to prevent or reduce cardiac injury. | 10-10-2013 |